CN103175437A - Flexible contact-type sealing device - Google Patents
Flexible contact-type sealing device Download PDFInfo
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- CN103175437A CN103175437A CN2013101092044A CN201310109204A CN103175437A CN 103175437 A CN103175437 A CN 103175437A CN 2013101092044 A CN2013101092044 A CN 2013101092044A CN 201310109204 A CN201310109204 A CN 201310109204A CN 103175437 A CN103175437 A CN 103175437A
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- sealing strip
- plate
- groove
- returning face
- blind hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Air Supply (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Devices (AREA)
- Gasket Seals (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a flexible contact-type sealing device which comprises a wear resistant protective plate. The top end of the wear resistant protective plate and the back end of an overturning plate can be connected in a rotating mode. A stop block is fixed on the upper surface of the overturning plate, and the stop block penetrates through the overturning plate along the left-right direction, and the back side surface of the stop block is a pressing-down inclined plane with a high front and a low back. A groove which penetrates through the stop block is formed at the top end of the stop block along the left-right direction. A sealing strip is fixed on the groove by means of laser welding or gas shielded welding, the sealing strip is made of high-temperature self-lubricating nickel base alloy, the top end of the sealing strip is 2-5mm higher than the groove, and the upper portion of the sealing strip is of an arc shape with the middle portion protruding upward. The lower surface of the overturning plate is attached to top ends of a plurality of compressed springs. The invention aims at providing the flexible contact-type sealing device which is good in sealing effect, reliable in sealing performance and long in service life.
Description
Technical field
The present invention relates to a kind of flexible contact type sealing device.
Background technology
the utility model name is called " a kind of flexible contact type sealing device, " patent No. is the Chinese patent of 201020139213.X, a kind of sealing device that can be used for air preheater is disclosed, this flexible contact type sealing device comprises seal, folding, the parts such as spring and base plate, but the flexible contact type sealing device that is used for air pre-heater sealing belongs to a kind of novel seal design, because the working environment of flexible contact type sealing device is extremely abominable, find in the process of using, this flexible contact type sealing device can (some months is even shorter) lose rapidly sealing and damage in the very short time, can't work, be embodied in following several problem:
1, to the top lift that how to design spring without any data that can reference, because the top lift numerical value of the spring that uses is unreasonable, cause or be that top lift causes more greatly wear rib to wear and tear very soon, or be that the less sealing effectiveness that causes of top lift is bad.
2, the wear rib on seal top, wear and tear in the environment of high temperature gas flow (more than 350 ℃), many lime-ash and be exceedingly fast, can be polished rapidly, and the workman is difficult to find that wear rib is polished from the outside, the backplate direct friction that causes thus seal and air preheater, cause frictional force to increase, not only sealing effectiveness is lost, and can cause damage to backplate.
3, in the environment of high temperature gas flow (more than 350 ℃), many lime-ash, the shaft branch of folding enters a lot of lime-ash, causes rotating shaft to be rotated dumb, and wearing and tearing are very fast, and then cause the sealing effectiveness variation, even because the moving page that can not in time lift folding loses sealing effectiveness.
4, because wear rib environment of living in has larger difference variation, add the jerk effect, if do not take reliable measure, firm not to fixing of wear rib, will cause wear rib to come off, cause sealing effectiveness to lose, and the backplate of air preheater is caused damage.
Summary of the invention
Be to provide a kind of good sealing effect, sealing property is reliable order of the present invention, the flexible contact type sealing device of long service life.
flexible contact type sealing device of the present invention, comprise the wear plate that the plate face arranges along left and right directions, the plate face of wear plate is positioned at vertical direction, the top of wear plate can be connected rotationally with the returning face plate rear end, the plate face of returning face plate is positioned near horizontal plane, the upper surface of returning face plate is fixed with block, block runs through returning face plate along left and right directions, the trailing flank of block is the low inclined-plane that presses down after front height, the top of block is provided with the groove that runs through block along left and right directions, the width of groove is 4-7mm, the degree of depth of groove is 2-6mm, adopt laser weld or gas shielded welding to be fixed with sealing strip in groove, sealing strip adopts high temoperature self lubricating nickel base alloy to make, sealing strip runs through whole groove along left and right directions, the top of sealing strip exceeds groove 2-7mm, the top of sealing strip is middle arc to upper process, the lower surface of described returning face plate and the top of a plurality of stage clips are affixed, the bottom of each stage clip withstands on supporting plate,
The hardness of described sealing strip (HBS) is 105-126, and the compression strength of sealing strip is not less than 330Mpa, and the bending strength of sealing strip is not less than 250Mpa, and the top lift that a plurality of described stage clips are applied on the sealing strip of every meter unit length is 180-220 newton;
the top of described wear plate is provided with left blind hole sleeve from left to right successively, more than one intermediate sleeve and right blind hole sleeve, left blind hole sleeve adopts matched in clearance to be sleeved on the left end of pivot, more than one intermediate sleeve adopts matched in clearance to be sleeved on the middle part of pivot, described right blind hole sleeve adopts matched in clearance to be sleeved on the right-hand member of pivot, the right-hand member of left blind hole sleeve matches with the left end of an intermediate sleeve, the two ends of adjacent intermediate sleeve mate with each other, the left end of described right blind hole sleeve matches with the right-hand member of an intermediate sleeve, the top of left blind hole sleeve and described right blind hole sleeve and described wear plate is adopted and is weldingly connected, the rear end of at least one described intermediate sleeve and returning face plate is adopted and is weldingly connected, or the rear end of described left blind hole sleeve and described right blind hole sleeve and returning face plate adopts and to be weldingly connected, and the top employing of at least one described intermediate sleeve and described wear plate is weldingly connected,
Described wear plate or supporting plate are provided with the stopping means that acts on described returning face plate or described pivot, and stopping means can be 4-10mm with the height change circumscription of the sealing strip oscilaltion on described returning face plate.
flexible contact type sealing device of the present invention, angle β between the wherein said plate face that presses down inclined-plane and described returning face plate is 40 °-50 °, the width of described groove is/4.5-6mm, the degree of depth of groove is 3-5mm, the top of described sealing strip exceeds groove 2.5-4mm, described wear plate, the length of described returning face plate and sealing strip is all 400-600mm, the quantity of described intermediate sleeve is 2-8, the quantity of described stage clip is 2-6, the compression strength of described sealing strip is 350-360Mpa, the bending strength of sealing strip is 270-280Mpa, the top lift that a plurality of stage clips are applied on the sealing strip of every meter unit length is 190-210 newton, the height change scope of the sealing strip oscilaltion on described returning face plate is 5-8mm, the plate face of described supporting plate is positioned at horizontal direction, a side and the described wear plate of supporting plate are fixedly linked.
Flexible contact type sealing device of the present invention, angle β between the wherein said plate face that presses down inclined-plane and described returning face plate is 43 °, the width of described groove is 5mm, the degree of depth of groove is 3.5mm, the top of described sealing strip exceeds groove 3mm, the length of described wear plate, described returning face plate and sealing strip is all 500mm, the quantity of described intermediate sleeve is 3, the compression strength of described sealing strip is 355Mpa, the bending strength of sealing strip is 275Mpa, and the top lift that a plurality of described stage clips are applied on the sealing strip of every meter unit length is 200 newton.
Flexible contact type sealing device of the present invention, wherein said stage clip adopts inconel x-750 high temperature alloy to make, the dry friction coefficient μ of described sealing strip is less than 0.12, and described left blind hole sleeve, each intermediate sleeve and right blind hole sleeve all adopt carbide alloy to make.
Compare with existing flexible contact type sealing device, flexible contact type sealing device of the present invention has following having a few:
1, the top lift that a plurality of stage clip of the present invention is applied on the sealing strip of every meter unit length is controlled in 190-210 newton's scope, the height change scope of the sealing strip oscilaltion on returning face plate is controlled as 5-8mm, adopted simultaneously hardness (HBS) to be 105-126, compression strength is not less than 330Mpa, bending strength is not less than the high temoperature self lubricating nickel base alloy of 250Mpa, above-mentioned composite design makes greatly extend the service life of sealing strip, by being increased to more than 5 years present not enough half a year, and the sealing effectiveness of sealing strip is very outstanding, reliability is very high.
2, very reasonable due to adhesive force design between the backplate of the sealing strip of flexible contact type sealing device of the present invention and air preheater, make the sealing property of sealing strip very good, thereby reduced greatly the lime-ash that high temperature gas flow brings, the minimizing of lime-ash makes that between the backplate of sealing strip and air preheater, frictional force can remain very little, therefore can not cause damage to backplate.
3, the top of wear plate of the present invention is provided with left blind hole sleeve, more than one intermediate sleeve and right blind hole sleeve from left to right successively, left blind hole sleeve adopts matched in clearance to be sleeved on the left end of pivot, more than one intermediate sleeve adopts matched in clearance to be sleeved on the middle part of pivot, right blind hole sleeve adopts matched in clearance to be sleeved on the right-hand member of pivot, the right-hand member of left blind hole sleeve matches with the left end of an intermediate sleeve, the two ends of adjacent intermediate sleeve mate with each other, and the left end of right blind hole sleeve matches with the right-hand member of an intermediate sleeve.Above-mentioned design makes the present invention also not have how many lime-ash in the environment of high temperature gas flow, many lime-ash and enters in the pivot fit clearance, thereby it is dumb to avoid pivot to rotate, adding left blind hole sleeve, each intermediate sleeve and right blind hole sleeve all adopts carbide alloy to make, can prevent that related components is by than quick-wearing, and then cause the sealing effectiveness variation, even because the moving page that can not in time lift folding loses sealing effectiveness.
4, in order to adapt to larger difference variation, the operating mode of jerk; the top of block of the present invention is provided with the groove that runs through block along left and right directions; the width of groove is 4-7mm; the degree of depth of groove is 2-6mm; adopt laser weld or gas shielded welding to be fixed with sealing strip in groove; owing to having taked the above-mentioned reliable measure of taking, very firm to fixing of sealing strip, therefore the problem that the sealing strip that can not occur existing in prior art comes off, causes sealing effectiveness to lose.
In sum, flexible contact type sealing device of the present invention has good sealing effect, and sealing property is reliable, and the characteristics of long service life have outstanding substantive distinguishing features and significant progressive.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
Description of drawings
Fig. 1 is the front view of the structural representation of flexible contact type sealing device of the present invention;
Fig. 2 is the side view of Fig. 1.
The specific embodiment
as depicted in figs. 1 and 2, flexible contact type sealing device of the present invention, comprise that the plate face is along the wear plate 1 of the rectangle of left and right directions setting, the plate face of wear plate 1 is positioned at vertical direction, the top of wear plate 1 can be connected rotationally with the returning face plate of rectangle 4 rear ends, the plate face of returning face plate 4 is positioned near horizontal plane, the upper surface of returning face plate 4 is fixed with block 5, block 5 runs through returning face plate 4 along left and right directions, the trailing flank of block 5 is the low inclined-plane 6 that presses down after front height, the angle β that presses down between the plate face of inclined-plane 6 and returning face plate 4 is 30 °-60 °, the top of block 5 is provided with the groove 7 that runs through block 5 along left and right directions, the width of groove 7 is 4-7mm, the degree of depth of groove 7 is 2-6mm, the interior employing laser weld of groove 7 or gas shielded welding are fixed with sealing strip 8, sealing strip 8 adopts high temoperature self lubricating nickel base alloy to make, sealing strip 8 runs through whole groove 7 along left and right directions, the top of sealing strip 8 exceeds groove 7, exceed 2-7mm, the top of sealing strip 8 is middle arc to upper process, the top of the lower surface of returning face plate 4 and a plurality of stage clip 9 is affixed, the bottom of each stage clip 9 withstands on supporting plate 10, the plate face of supporting plate 10 is positioned at horizontal direction, side and the wear plate 1 of supporting plate 10 are fixedly linked,
The hardness HBS of sealing strip 8 is 105-126, and the compression strength of sealing strip 8 is not less than 330Mpa, and the bending strength of sealing strip 8 is not less than 250Mpa, and the top lift that a plurality of stage clips 9 are applied on the sealing strip 8 of every meter unit length is 180-220 newton;
the top of wear plate 1 is provided with left blind hole sleeve 11 from left to right successively, 3 intermediate sleeves 12 and right blind hole sleeve 13, the quantity of intermediate sleeve 12 can be also 1 or 2 or 4 or 5 or more, left blind hole sleeve 11 adopts matched in clearance to be sleeved on the left end of pivot 14, 3 intermediate sleeves 12 adopt matched in clearance to be sleeved on the middle part of pivot 14, right blind hole sleeve 13 adopts matched in clearance to be sleeved on the right-hand member of pivot 14, the right-hand member end face of left blind hole sleeve 11 matches with the left end end face of an intermediate sleeve 12 and (is affixed, prevent that lime-ash from entering in left blind hole sleeve 11 and intermediate sleeve 12, prevent that also air-flow from leaking thus), the two ends of adjacent intermediate sleeve 12 mate with each other and (are affixed, prevent that lime-ash from entering in intermediate sleeve 12, prevent that also air-flow from leaking thus), the left end of right blind hole sleeve 13 matches with the right-hand member of an intermediate sleeve 12 and (is affixed, prevent that lime-ash from entering in right blind hole sleeve 13 and intermediate sleeve 12, prevent that also air-flow from leaking thus), left blind hole sleeve 11, each intermediate sleeve 12 and right blind hole sleeve 13 all adopt carbide alloy to make, left blind hole sleeve 11 and right blind hole sleeve 13 adopt with the top of wear plate 1 and are weldingly connected, at least one intermediate sleeve 12 adopts with long limit, the rear end of returning face plate 4 and is weldingly connected, or the long limit employing of the rear end of left blind hole sleeve 11 and right blind hole sleeve 13 and returning face plate 4 is weldingly connected, at least one intermediate sleeve 12 adopts with the top of wear plate 1 and is weldingly connected, remaining intermediate sleeve 12 can not weld, and can be welded on the top of wear plate 1 or the rear end of returning face plate 4 yet,
Wear plate 1 or supporting plate 10 are provided with the stopping means (not shown in FIG.) that acts on returning face plate 4 or pivot 14, and stopping means can be 4-10mm with the height change circumscription of sealing strip 8 oscilaltions on returning face plate 4.
as improvement of the present invention, angle β between the above-mentioned plate face that presses down inclined-plane 6 and returning face plate 4 is 40 °-50 °, the width of groove 7 is 4.5-6mm, the degree of depth of groove 7 is 3-5mm, the top of sealing strip 8 exceeds groove 7, exceed 2.5-4mm, wear plate 1, the length of returning face plate 4 and sealing strip 8 is all 400-600mm, the quantity of intermediate sleeve 12 is 2-8, the quantity of stage clip 9 is 2-6, the compression strength of sealing strip 8 is 350-360Mpa, the bending strength of sealing strip 8 is 270-280Mpa, the top lift that a plurality of stage clips 9 are applied on the sealing strip 8 of every meter unit length is 190-210 newton, the height change scope of sealing strip 8 oscilaltions on returning face plate 4 is 5-8mm.
As a further improvement on the present invention, angle β between the above-mentioned plate face that presses down inclined-plane 6 and returning face plate 4 is 43 °, the width of groove 7 is 5mm, the degree of depth of groove 7 is 3.5mm, the top of sealing strip 8 exceeds groove 7, exceed 3mm, the length of wear plate 1, returning face plate 4 and sealing strip 8 is all 500mm, the quantity of intermediate sleeve 12 is 3, the compression strength of sealing strip 8 is 355Mpa, the bending strength of sealing strip 8 is 275Mpa, and the top lift that a plurality of stage clips 9 are applied on the sealing strip 8 of every meter unit length is 200 newton.
As a further improvement on the present invention, above-mentioned stage clip 9 adopts i nconelx-750 high temperature alloy to make, and the dry friction coefficient μ of sealing strip 8 is less than 0.12.
Embodiment recited above is described the preferred embodiment of the present invention; be not that the spirit and scope of the present invention are limited; do not breaking away under design prerequisite of the present invention; various modification and improvement that in this area, common engineers and technicians make technical scheme of the present invention; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (4)
1. flexible contact type sealing device, it is characterized in that: comprise the wear plate (1) that the plate face arranges along left and right directions, the plate face of wear plate (1) is positioned at vertical direction, the top of wear plate (1) can be connected rotationally with the rear end of returning face plate (4), the plate face of returning face plate (4) is positioned near horizontal plane, the upper surface of returning face plate (4) is fixed with block (5), block (5) runs through returning face plate (4) along left and right directions, the trailing flank of block (5) is the low inclined-plane (6) that presses down after front height, the top of block (5) is provided with the groove (7) that runs through block (5) along left and right directions, the width of groove (7) is 4-7mm, the degree of depth of groove (7) is 2-6mm, adopt laser weld or gas shielded welding to be fixed with sealing strip (8) in groove (7), sealing strip (8) adopts high temoperature self lubricating nickel base alloy to make, sealing strip (8) runs through whole groove (7) along left and right directions, the top of sealing strip (8) exceeds groove (7) 2-7mm, the top of sealing strip (8) is middle arc to upper process, the top of the lower surface of described returning face plate (4) and a plurality of stage clip (9) is affixed, the bottom of each stage clip (9) withstands on supporting plate (10),
The hardness (HBS) of described sealing strip (8) is 105-126, the compression strength of sealing strip (8) is not less than 330Mpa, the bending strength of sealing strip (8) is not less than 250Mpa, and the top lift that a plurality of described stage clips (9) are applied on the sealing strip (8) of every meter unit length is 180-220 newton;
the top of described wear plate (1) is provided with left blind hole sleeve (11) from left to right successively, more than one intermediate sleeve (12) and right blind hole sleeve (13), left blind hole sleeve (11) adopts matched in clearance to be sleeved on the left end of pivot (14), more than one intermediate sleeve (12) adopts matched in clearance to be sleeved on the middle part of pivot (14), described right blind hole sleeve (13) adopts matched in clearance to be sleeved on the right-hand member of pivot (14), the right-hand member of left the region between the heart and the diaphragm borehole jack cylinder (11) matches with the left end of an intermediate sleeve (12), the two ends of adjacent intermediate sleeve (12) mate with each other, the left end of described right blind hole sleeve (13) matches with the right-hand member of an intermediate sleeve (12),
Left blind hole sleeve (11) and described right blind hole sleeve (13) adopt with the top of described wear plate (1) and are weldingly connected, at least one described intermediate sleeve (12) adopts with the rear end of returning face plate (4) and is weldingly connected, or described left blind hole sleeve (11) and described right blind hole sleeve (13) adopt with the rear end of returning face plate (4) and be weldingly connected, and at least one described intermediate sleeve (12) adopts with the top of described wear plate (1) and is weldingly connected;
Described wear plate (1) or supporting plate (10) are provided with the stopping means that acts on described returning face plate (4) or described pivot (14), and stopping means can be 4-10mm with the height change circumscription of sealing strip (8) oscilaltion on described returning face plate (4).
2. flexible contact type sealing device according to claim 1, it is characterized in that: the angle β between the described plate face that presses down inclined-plane (6) and described returning face plate (4) is 40 °-50 °, the width of described groove (7) is 4.5-6mm, the degree of depth of groove (7) is 3-5mm, the top of described sealing strip (8) exceeds groove (7) 2.5-4mm, described wear plate (1), the length of described returning face plate (4) and sealing strip (8) is all 400-600mm, the quantity of described intermediate sleeve (12) is 2-8, the quantity of described stage clip (9) is 2-6, the compression strength of described sealing strip (8) is 350-360Mpa, the bending strength of sealing strip (8) is 270-280Mpa, the top lift that a plurality of stage clips (9) are applied on the sealing strip (8) of every meter unit length is 190-210 newton, the height change scope of sealing strip (8) oscilaltion on described returning face plate (4) is 5-8mm, the plate face of described supporting plate (10) is positioned at horizontal direction, a side and the described wear plate (1) of supporting plate (10) are fixedly linked.
3. flexible contact type sealing device according to claim 2, it is characterized in that: the angle β between the described plate face that presses down inclined-plane (6) and described returning face plate (4) is 43 °, the width of described groove (7) is 5mm, the degree of depth of groove (7) is 3.5mm, the top of described sealing strip (8) exceeds groove (7) 3mm, described wear plate (1), the length of described returning face plate (4) and sealing strip (8) is all 500mm, the quantity of described intermediate sleeve (12) is 3, the compression strength of described sealing strip (8) is 355Mpa, the bending strength of sealing strip (8) is 275Mpa, the top lift that a plurality of described stage clips (9) are applied on the sealing strip (8) of every meter unit length is 200 newton.
4. flexible contact type sealing device according to claim 3, it is characterized in that: described stage clip (9) adopts the inconelx-750 high temperature alloy to make, the dry friction coefficient μ of described sealing strip (8) is less than 0.12, and described left blind hole sleeve (11), each intermediate sleeve (12) and right blind hole sleeve (13) all adopt carbide alloy to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101092044A CN103175437A (en) | 2012-11-20 | 2013-04-01 | Flexible contact-type sealing device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468201.5 | 2012-11-20 | ||
| CN2012104682015A CN102944025A (en) | 2012-11-20 | 2012-11-20 | Flexible contact type sealing device |
| CN2013101092044A CN103175437A (en) | 2012-11-20 | 2013-04-01 | Flexible contact-type sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103175437A true CN103175437A (en) | 2013-06-26 |
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ID=47726992
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104682015A Pending CN102944025A (en) | 2012-11-20 | 2012-11-20 | Flexible contact type sealing device |
| CN2013201550353U Expired - Fee Related CN203177725U (en) | 2012-11-20 | 2013-04-01 | Flexible contact sealing device |
| CN2013101092044A Pending CN103175437A (en) | 2012-11-20 | 2013-04-01 | Flexible contact-type sealing device |
| CN201320540340.4U Expired - Fee Related CN203477307U (en) | 2012-11-20 | 2013-09-02 | Flexible contact sealing device using sealing hinge component |
| CN201310391331.8A Active CN103423762B (en) | 2012-11-20 | 2013-09-02 | Air preheater cold-end air flexible contact type sealing device |
| CN201320540339.1U Expired - Lifetime CN203560922U (en) | 2012-11-20 | 2013-09-02 | Flexible contact sealing device for cold end of air preheater |
| CN201320540342.3U Expired - Fee Related CN203454194U (en) | 2012-11-20 | 2013-09-02 | Flexible contact sealing device with wind and dust screening tile |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104682015A Pending CN102944025A (en) | 2012-11-20 | 2012-11-20 | Flexible contact type sealing device |
| CN2013201550353U Expired - Fee Related CN203177725U (en) | 2012-11-20 | 2013-04-01 | Flexible contact sealing device |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320540340.4U Expired - Fee Related CN203477307U (en) | 2012-11-20 | 2013-09-02 | Flexible contact sealing device using sealing hinge component |
| CN201310391331.8A Active CN103423762B (en) | 2012-11-20 | 2013-09-02 | Air preheater cold-end air flexible contact type sealing device |
| CN201320540339.1U Expired - Lifetime CN203560922U (en) | 2012-11-20 | 2013-09-02 | Flexible contact sealing device for cold end of air preheater |
| CN201320540342.3U Expired - Fee Related CN203454194U (en) | 2012-11-20 | 2013-09-02 | Flexible contact sealing device with wind and dust screening tile |
Country Status (1)
| Country | Link |
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| CN (7) | CN102944025A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944025A (en) * | 2012-11-20 | 2013-02-27 | 孟金来 | Flexible contact type sealing device |
| CN104613493B (en) * | 2015-01-26 | 2017-03-15 | 张洪福 | A kind of rotary regenerative air preheater fanning strip |
| CN105444609A (en) * | 2015-12-07 | 2016-03-30 | 刘勤 | Joint type elastic sealing device arranged at cold end of air preheater |
| CN105570462B (en) * | 2016-02-19 | 2018-06-15 | 江苏拓平密封科技有限公司 | Rotary regenerative air heater elastic contact type sealing device |
| CN107270321A (en) * | 2017-08-04 | 2017-10-20 | 四川大智工程技术有限公司 | A kind of intelligent sealing system of air preheater |
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| CN201705932U (en) * | 2010-03-24 | 2011-01-12 | 沈阳瑞源电力设备工程技术有限公司 | Flexible contact sealing device |
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| DE2809948C3 (en) * | 1978-03-08 | 1984-09-20 | Kraftanlagen Ag, 6900 Heidelberg | Adjustment device for sealing circulating regenerative heat exchangers |
| CN201620683U (en) * | 2010-01-25 | 2010-11-03 | 南宁永发安全设备有限公司 | Telescopic hinge structure for safety box |
| CA2927369C (en) * | 2010-12-13 | 2019-01-08 | Groupe Ro-Main Inc. | Apparatus and method for controlling air flow of an extraction fan |
| CN102562110B (en) * | 2010-12-17 | 2014-04-02 | 郑州四维机电设备制造有限公司 | Integrated hydraulic support of four-post paste filling supporting in thin coal seam |
| CN102032349B (en) * | 2011-01-18 | 2012-07-25 | 孟金来 | Adjustable labyrinth sealing device |
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- 2012-11-20 CN CN2012104682015A patent/CN102944025A/en active Pending
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- 2013-04-01 CN CN2013201550353U patent/CN203177725U/en not_active Expired - Fee Related
- 2013-04-01 CN CN2013101092044A patent/CN103175437A/en active Pending
- 2013-09-02 CN CN201320540340.4U patent/CN203477307U/en not_active Expired - Fee Related
- 2013-09-02 CN CN201310391331.8A patent/CN103423762B/en active Active
- 2013-09-02 CN CN201320540339.1U patent/CN203560922U/en not_active Expired - Lifetime
- 2013-09-02 CN CN201320540342.3U patent/CN203454194U/en not_active Expired - Fee Related
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| CN2717099Y (en) * | 2004-06-08 | 2005-08-10 | 董乃芬 | Hydrogen cooling generator |
| CN201705932U (en) * | 2010-03-24 | 2011-01-12 | 沈阳瑞源电力设备工程技术有限公司 | Flexible contact sealing device |
| CN102297448A (en) * | 2011-06-23 | 2011-12-28 | 孟金来 | Air pre-heater with rotary heating surface and waste heat recovery system |
| CN102944025A (en) * | 2012-11-20 | 2013-02-27 | 孟金来 | Flexible contact type sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203454194U (en) | 2014-02-26 |
| CN102944025A (en) | 2013-02-27 |
| CN203177725U (en) | 2013-09-04 |
| CN103423762A (en) | 2013-12-04 |
| CN203560922U (en) | 2014-04-23 |
| CN103423762B (en) | 2015-08-26 |
| CN203477307U (en) | 2014-03-12 |
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Application publication date: 20130626 |